InverseGamma 指令

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InverseGamma[ <Alpha>, <Beta>, <Probability> ]

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InverseGamma[ <Number α>, <Number β>, <Probability p> ]

Computes the inverse of cumulative distribution function of gamma distribution at p, where the gamma distribution is given by parameters α, β. In other words, finds t such that P(X≤t)=p, where X is random variable with gamma distribution. Probability p must be from [0,1].